The stain on your underwear as a result of sharting, sometimes permeating to the outer layers of your clothing. Usually accompanied by a putrid odour. Biohazardous.
I thought I just farted, then I checked my underwear and saw a huge krassenstein.
I could smell the krassenstein as he took off his trousers.
As I walked into the room, the dog ran straight to me and nuzzled my krassenstein
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.